Raymarine New Style B744V High Speed 200/50Khz Bronze TH Tri-ducer B744V 600 Watt Bronze through hull transducer with depth speed and temperature. Includes high speed fairing block. Dual frequency 50/200 kHz. Compatible with the following sounder modules: Compatible hull material: wood and fiberglass Max Power: 600 W Frequency: 200/50 kHz Cable: 30ft (10m) cable with connector Hole diameter for installation: 2" Other: Self-sealing removable paddle wheel insert. Includes high speed fairing block. | 
